MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ML classifiers and ClamAV as malicious. It contains numerous links, many pointing to compromised WordPress sites, suggesting a phishing or link-farming campaign. The presence of external URIs and link farms indicates an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://medvor.ru/uplcv?utm_term=air+trapping+spirometry
- https://corianderedmonton.com/ckfinder/userfiles/files/zewobavumoxejonalefe.pdf
- https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/1cpqqju09v0bn1qa3j60o88vu2/56522678726.pdf
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/79j4d1tgfc0nkf9qp12dmqrm1n/87256571327.pdf
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1609257836e18a---zisejudovigixulaju.pdf
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac07c9e72a1---mifagirisaxapekasili.pdf
- https://listapp.in/ci/userfiles/files/ginomugulod.pdf
- https://tipresentoio.it/images/file/46167337875.pdf
- http://atol-res.pl/uploads/file/33364143581.pdf
- http://thomas-reunion.com/clients/8/86/86f5f051d314e00f57792b8428d7085d/File/32159019296.pdf
- https://nothingbutsafetyglasses.com/userfiles/file/jazesudebatovebemilegiw.pdf
- http://rem-proekt.com/f/file/tozamajudi.pdf
- https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/fff56cfd0d23ead6a1c634d9ba40cebc/getelazezugoruxusunetakor.pdf
- https://www.apartamentselsllacs.com/wp-content/plugins/super-forms/uploads/php/files/ehbpvt0toq4h6a40aguu5c3mrs/72794397048.pdf
- http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1606da06c53ea1---11394062081.pdf
- http://111-orte.de/testarea/cwsCMSlight/media/files/guzadobabe.pdf
- https://jairdefreitas.com/ckfinder/userfiles/files/25161566753.pdf
- https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/2700b8d63c614ebfe3ce87fa1190ad98/linalijad.pdf
- http://santabruna.cl/upload/file/55390119514.pdf
- http://xn--o39a91gvwm83kbsn.net/FileData/ckfinder/files/20210824_4629DC3FCF712EBE.pdf
- http://animationcoach.com/userfiles/file/553412515.pdf
- https://qualitylightsolutions.com/wp-content/plugins/super-forms/uploads/php/files/45f9008b68f5128fbab17e794034832b/wesedagolewufune.pdf
- http://s-privod.ru/userfiles/file/72101507941.pdf
- https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16107c07357a85---70001567155.pdf
- http://reutlinger.pl/userfiles/file/kemuleligibebam.pdf
- https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/b799d48c366ae84073dce28a4aed306c/72462709241.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e171.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE171 | 16792 bytes |
font_01_sfnt_off0000f988.binad06b14e43bcfea56618af4a7db1978c231c62223231677f671125f94e2f087a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF988 | 10644 bytes |
font_02_sfnt_off000111ec.bineba0b40b0244f03ad76772add029a84f73b9690473c4b657a69ff16f9a89d3ed |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111EC | 19252 bytes |
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